Question

Plz help!!!!!

• Motor driven plow

• Electric lights

• Sewer system

• Vaccines


What do these technologies have in common?
A.
They are all very expensive to make.
B.
They all help improve quality of life.
C.
They are only used to help poor people.
D.
They are all made from natural resources.

Answer 1

The best answer for this question Is B. Due to it being the only thing that matches all of the requirements.

Answer 2

B

Step-by-step explanation:

They all do help improve quality of life.